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Bug #52

Migrate ESP sequence number in update_sa

Added by Martin Willi almost 13 years ago. Updated over 12 years ago.

Status:
Closed
Priority:
High
Assignee:
Tobias Brunner
Category:
charon
Target version:
4.2.4
Start date:
Due date:
Estimated time:
Affected version:
5.9.2
Resolution:

Description

kernel_interface.c:update_sa resets the ESP sequence numbers, which is not interoperable with hosts other than strongSwan. Either use XFRM_MIGRATE (which is not available on all kernels and lacks encapsulation update) or better manually migrate ESP sequence numbers.

History

#1 Updated by Tobias Brunner over 12 years ago

we use XFRM_MSG_GETAE and XFRMA_REPLAY_VAL to manually copy the sequence numbers (this requires a kernel version of at least 2.6.17).

#2 Updated by Tobias Brunner over 12 years ago

  • Status changed from New to Closed
  • Affected version set to fixed

fixed in r4104

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